String.prototype.Trim=function(){
    return   this.replace(/(^\s*)|(\s*$)/g,   "");
} ;
function checkTopSearchForm(){
    var keyword=document.getElementById("topKeywords").value.Trim();
    if(keyword==""){
        alert("关键字不能为空！");
        return false;
    }else{
        var text=keyword.replace(/([\u0391-\uFFE5])/ig,'mm');
        if(text.length < 2){
            alert("关键字太短了！");
            return false;
        }else if(text.length > 50){
            alert("关键字太长了！");
            return false;
        }else{
            if(keyword.indexOf("&")>0){
                keywordArray=keyword.split("&");
                keyword=keywordArray[0];
            }
            keyword = keyword.replace(',','，');
            keyword+=",title,keyword,b_author,b_isbn,code,b_contentsynopsis";
        }
    }
    //if(keyword!=""){
    //  keyword+=",title,keyword,b_author,b_isbn,code,b_contentsynopsis";
    //}//else{
    //搜索关键字不为空时 按销量倒数搜索
    //document.getElementById("OrderBy").value="sellable.count0-int";
    //document.getElementById("IsAsc").value="true";
    //}
    var thKeywords=document.getElementById("thKeywords");
    thKeywords.value=keyword;
    return true;
}
var _srh_keyflag=true;
function submitSearchForm(){
    if(!checkTopSearchForm())return false;
    document.getElementById("searchform").submit();
}

function judgeShowSuggest(){
    if(_srh_keyflag!=true){
        return;
    }
    _srh_keyflag=false;

    try{
        jQuery.ajaxSettings['contentType'] = "application/x-www-form-urlencoded; charset=utf-8";
    }catch(e){}
    jQuery("#topKeywords").suggest("${frontPath}/AutoComplete",{
            minchars:1,
            onSelect: function() {
                var comText=this.value+'';
                jQuery("#topKeywords").val(comText);
                try{jQuery("#idx_useAutoComplete").val(1);submitSearchForm();}catch(e){alert(e.name+':'+e.message);}
                _srh_keyflag=true;
            }
        }
    );
}